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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 496 · 40 questions
TalentJR

Engineer's tip (Match the property to the job): Ask: what must it do — keep water out, bend, let light through, carry current or stay cool? Metals and graphite conduct electricity; rubber, plastic, dry wood, glass, pottery and cloth insulate. Pick the material whose main property fits the job.

NameDateTime takenScore ___ / 40
  1. 1.True or false: a hair band needs a flexible material. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) aluminium (b) glass (c) copper (d) graphite
  3. 3.🧱 Which material is best for a window pane? (a) steel (b) wood (c) brick (d) glass
  4. 4.🔍 Which is the odd one out? (a) rubber (b) iron (c) copper (d) steel
  5. 5.Which of these needs a heat insulator? (a) a water tank (b) a skipping rope (c) a boat hull (d) a cooking pot handle
  6. 6.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  8. 8.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.🔍 Which is the odd one out? (a) cotton cloth (b) glass (c) copper (d) plastic
  10. 10.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  11. 11.🧱 Which property matters most for a boat hull? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  12. 12.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  13. 13.True or false: a switch contact needs a waterproof material. (a) False (b) True
  14. 14.True or false: a car windscreen needs a transparent material. (a) False (b) True
  15. 15.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.True or false: a roof sheet needs a transparent material. (a) True (b) False
  18. 18.🧱 Which property matters most for a raincoat? (a) transparent (b) heat insulator (c) waterproof (d) electrical conductor
  19. 19.Which of these needs a transparent material? (a) a boat hull (b) a plug pin (c) a car windscreen (d) a hair band
  20. 20.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  21. 21.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  23. 23.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  24. 24.🧱 Which property matters most for a water tank? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  25. 25.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.True or false: a car windscreen needs a flexible material. (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) graphite (b) iron (c) brass (d) plastic
  28. 28.True or false: a magnifier lens needs a waterproof material. (a) True (b) False
  29. 29.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.Which of these needs a flexible material? (a) a spectacle lens (b) a raincoat (c) a car seat belt (d) a magnifier lens
  31. 31.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) glass (d) steel
  32. 32.Which of these needs a transparent material? (a) a tea flask lining (b) a window pane (c) a skipping rope (d) a raincoat
  33. 33.True or false: a raincoat needs a waterproof material. (a) False (b) True
  34. 34.True or false: the core of a wire needs a flexible material. (a) False (b) True
  35. 35.🧱 Which property matters most for an umbrella cover? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  36. 36.🧱 Which property matters most for the core of a wire? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  37. 37.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  38. 38.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) aluminium (d) rubber
  39. 39.Which of these needs a waterproof material? (a) a cooking pot handle (b) a skipping rope (c) a tea flask lining (d) an umbrella cover
  40. 40.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

  1. True
  2. glass
  3. glass
  4. rubber
  5. a cooking pot handle
  6. an insulator
  7. waterproof
  8. an insulator
  9. copper
  10. transparent
  11. waterproof
  12. wood or plastic
  13. False
  14. True
  15. a conductor
  16. a conductor
  17. False
  18. waterproof
  19. a car windscreen
  20. a conductor
  21. an insulator
  22. plastic-coated cloth
  23. heat insulator
  24. waterproof
  25. an insulator
  26. False
  27. plastic
  28. False
  29. a conductor
  30. a car seat belt
  31. steel
  32. a window pane
  33. True
  34. False
  35. waterproof
  36. electrical conductor
  37. transparent
  38. aluminium
  39. an umbrella cover
  40. an insulator

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